Flights from Seattle Airport (SEA) to St. Louis Lambert Airport Airport (STL)

We've found the cheapest flights to St Louis

Returns from £248

One-way from £122.52

Below we have compiled essential flight information for anyone who is flying from Seattle-Tacoma International to Lambert-St. Louis International, including airliners who offer flights and their flight times. In total, there are 5 airliners to choose from including Finnair, Jet Linx Aviation, Qatar Airways, American Airlines and Alaska Airlines. The flight time is approximately 4 Hours 2 Minutes.

The exact cost of the flight we vary quite significantly base on the dates you travel, the time of day you will depart and how long in advance you pre book the flights. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. We recommend our viewers to pay and reserve the seats in advance. This ensures you get the best seats on the plane at the cheapest prices.

On arriving at Lambert-St. Louis International please note the time difference, the time zone at Lambert-St. Louis International is 6.0 GMT compared to 8.0 GMT at Seattle-Tacoma International.

Please see below the airlines that fly from Seattle-Tacoma International (SEA) to Lambert-St. Louis International (STL) and the amount of daily flights in operation.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
American Airlines333333309:1723:54VIEW FLIGHTS
Alaska Airlines333333309:1723:54VIEW FLIGHTS
Qatar Airways121201215:1623:54VIEW FLIGHTS
Jet Linx Aviation111111118:4518:45VIEW FLIGHTS
Finnair010010123:5423:54VIEW FLIGHTS

American Airlines is the most popular airliners who operate this route. They have around 21 a week with times that vary between 09:17 and 23:54.

To book your flight you can visit American Airlines on their website aa.com. You will find up to date information on availability and the latest discounts.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
09:17
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
17:52
AirlineFlight  No
Alaska AirlinesAS615
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Jet Linx AviationJL5438
23:54
AirlineFlight  No
American AirlinesAA7468
Qatar AirwaysQR3433
VIEW FLIGHTS
Tuesday
15:16
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
Qatar AirwaysQR3433
17:52
AirlineFlight  No
Alaska AirlinesAS615
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Qatar AirwaysQR2194
Jet Linx AviationJL5438
23:54
AirlineFlight  No
FinnairAY2545
American AirlinesAA7468
VIEW FLIGHTS
Wednesday
15:16
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
17:52
AirlineFlight  No
Alaska AirlinesAS615
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Jet Linx AviationJL5438
23:54
AirlineFlight  No
American AirlinesAA7468
Qatar AirwaysQR3433
VIEW FLIGHTS
Thursday
15:16
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
Qatar AirwaysQR3433
17:52
AirlineFlight  No
Alaska AirlinesAS615
American AirlinesAA7468
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Qatar AirwaysQR2194
Jet Linx AviationJL5438
VIEW FLIGHTS
Friday
15:16
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
17:52
AirlineFlight  No
Alaska AirlinesAS615
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Jet Linx AviationJL5438
23:54
AirlineFlight  No
FinnairAY2545
American AirlinesAA7468
VIEW FLIGHTS
Saturday
09:17
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
17:52
AirlineFlight  No
Alaska AirlinesAS615
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Jet Linx AviationJL5438
23:54
AirlineFlight  No
American AirlinesAA7468
Qatar AirwaysQR3433
VIEW FLIGHTS
Sunday
15:16
AirlineFlight  No
Alaska AirlinesAS618
American AirlinesAA9271
Qatar AirwaysQR3433
18:45
AirlineFlight  No
Alaska AirlinesAS647
American AirlinesAA9443
Qatar AirwaysQR2194
Jet Linx AviationJL5438
23:54
AirlineFlight  No
FinnairAY2545
Alaska AirlinesAS615
American AirlinesAA7468
VIEW FLIGHTS

Flights to Lambert-St. Louis International are also available from airports close to Seattle-Tacoma International. Below we have provided a short list of routes which you could consider is you feel that are suitable.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Seattle Boeing Field King County to St Louis Lambert04 Hours 2 Minutes

Please remember to leave plenty of time to get though customers when you are departing form the airports. Flights regulations are getting very strict these days so getting through customs can take in excess of 1 hour in some cases.

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Flight Price FAQ - Seattle (SEA) to St Louis (STL)

DIRECT Alaska Airlines
What is the cheapest direct flight one way from Seattle SEA to St Louis STL?
The cheapest direct flight one way from Seattle SEA to St Louis STL is £122.52 ($165 €141.71)
£122.52
$165 | €141.71
Check Latest Price
DIRECT Alaska Airlines
What is the cheapest direct return flight from Seattle SEA to St Louis STL?
The cheapest direct return flight from Seattle SEA to St Louis STL is £248 ($334 €286.86)
£248
$334 | €286.86
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Seattle SEA to St Louis STL?
The cheapest flight one way from Seattle SEA to St Louis STL is £74.25 ($100 €85.89)
£74.25
$100 | €85.89
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Seattle SEA to St Louis STL?
The cheapest return flight from Seattle SEA to St Louis STL is £164.10 ($221 €189.81)
£164.10
$221 | €189.81
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from SEA to STL

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Flight Info FAQ - Seattle (SEA) to St Louis (STL)

Who flies from Seattle to St Louis?
The following airlines fly from Seattle (SEA) to St Louis (STL): Alaska Airlines, American Airlines, Finnair, Jet Linx Aviation, Qatar Airways.
How far is the flight from Seattle to St Louis?
The flight from Seattle to St Louis is 2,744KM or 1,705 miles.
How long does the flight from Seattle to St Louis to take?
The flight from Seattle to St Louis takes 4 Hours 2 Minutes.

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